Home / 19,168.71-26,452.53-11,103.45

Finding the Fourth Proportional to 19,168.71, 26,452.53 and 11,103.45

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Solution

The fourth proportional to 19,168.71, 26,452.53 and 11,103.45 is: 15,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.71 : 26,452.53 = 11,103.45 : x
  2. Step 2: Convert to fraction form
    19,168.71/26,452.53 = 11,103.45/x
  3. Step 3: Cross multiply
    19,168.71x = 26,452.53 × 11,103.45
  4. Step 4: Simplify right side
    19,168.71x = 293,714,344.23
  5. Step 5: Solve for x
    x = 293,714,344.23/19,168.71
  6. Step 6: Final answer
    x = 15,322.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.